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| Jasper County, Iowa | |
 Jasper County Courthouse in Newton
| |
 Location in the state of Iowa | |
 Iowa's location in the U.S. | |
| Founded | 1846 |
|---|---|
| Named for | William Jasper |
| Seat | Newton |
| Largest city | Newton |
| Area - Total - Land - Water |
733 sq mi (1,898 km²) 730 sq mi (1,891 km²) 2.5 sq mi (6 km²), 0.3 |
| Population - (2020) - Density |
37,813 |
| Congressional district | 2nd |
| Time zone | Central: UTC-6/-5 |
| Website | www.co.jasper.ia.us |
Jasper County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 37,813.[1] The county seat is Newton.[2] The county was organized in 1846 and is named after Sergeant William Jasper, a Revolutionary War hero.[3]
Jasper County is part of the Des Moines–West Des Moines, IA Metropolitan Statistical Area.[4]
Geography[]
According to the U.S. Census Bureau, the county has a total area of 733 square miles (1,900 km2), of which 730 square miles (1,900 km2) is land and 2.5 square miles (6.5 km2) (0.3%) is water.[5] The North and South Skunk River flow through the county. Bodies of water include Lake Mariposa and Rock Creek.
Major highways[]
Interstate 80- U.S. Route 6
- U.S. Route 65
- Iowa Highway 14
- Iowa Highway 117
- Iowa Highway 163
- Iowa Highway 224
- Iowa Highway 330
Adjacent counties[]
- Marshall County (north)
- Poweshiek County (east)
- Mahaska County (southeast)
- Marion County (south)
- Polk County (west)
- Story County (northwest)
Demographics[]
| Historical populations | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1850 | 1,280 | ||
| 1860 | 9,883 | 672.1% | |
| 1870 | 22,116 | 123.8% | |
| 1880 | 25,963 | 17.4% | |
| 1890 | 24,943 | −3.9% | |
| 1900 | 26,976 | 8.2% | |
| 1910 | 27,034 | 0.2% | |
| 1920 | 27,855 | 3.0% | |
| 1930 | 32,936 | 18.2% | |
| 1940 | 31,496 | −4.4% | |
| 1950 | 32,305 | 2.6% | |
| 1960 | 35,282 | 9.2% | |
| 1970 | 35,425 | 0.4% | |
| 1980 | 36,425 | 2.8% | |
| 1990 | 34,795 | −4.5% | |
| 2000 | 37,213 | 6.9% | |
| 2010 | 36,842 | −1.0% | |
| U.S. Decennial Census[6] 1790-1960[7] 1900-1990[8] 1990-2000[9] 2010-2020[10] | |||
Population of Jasper County from US census data
2020 census[]
The 2020 census recorded a population of 37,813 in the county, with a population density of 51.5449/sq mi (19.90159/km2). 96.04% of the population reported being of one race. 89.33% were non-Hispanic White, 1.86% were Black, 2.87% were Hispanic, 0.33% were Native American, 0.57% were Asian, 0.08% were Native Hawaiian or Pacific Islander and 4.96% were some other race or more than one race. There were 16,132 housing units, of which 14,994 were occupied.[1]
2010 census[]
The 2010 census recorded a population of 36,842 in the county, with a population density of 50.4692/sq mi (19.4863/km2). There were 16,181 housing units, of which 14,806 were occupied.[11]
2000 census[]
2000 Census Age Pyramid for Jasper County
As of the census[12] of 2000, there were 37,213 people, 14,689 households, and 10,267 families residing in the county. The population density was 51 people per square mile (20/km2). There were 15,659 housing units at an average density of 22 per square mile (8/km2). The racial makeup of the county was 97.58% White, 0.83% Black or African American, 0.22% Native American, 0.44% Asian, 0.05% Pacific Islander, 0.26% from other races, and 0.62% from two or more races. 1.01% of the population were Hispanic or Latino of any race.
There were 14,689 households, out of which 31.70% had children under the age of 18 living with them, 59.30% were married couples living together, 7.40% had a female householder with no husband present, and 30.10% were non-families. 26.10% of all households were made up of individuals, and 11.80% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.92.
In the county, the population was spread out, with 24.60% under the age of 18, 7.40% from 18 to 24, 28.60% from 25 to 44, 23.40% from 45 to 64, and 16.00% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 101.60 males. For every 100 females age 18 and over, there were 99.70 males.
The median income for a household in the county was $41,683, and the median income for a family was $50,071. Males had a median income of $36,001 versus $24,770 for females. The per capita income for the county was $19,622. About 4.80% of families and 6.50% of the population were below the poverty line, including 7.10% of those under age 18 and 7.00% of those age 65 or over.
Government and infrastructure[]
The Iowa Department of Corrections Newton Correctional Facility is in an unincorporated area in Jasper County, near Newton.
| Year | Republican | Democratic | Third party | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 2020 | 12,084 | 59.87% | 7,737 | 38.33% | 363 | 1.80% |
| 2016 | 10,560 | 55.48% | 7,109 | 37.35% | 1,365 | 7.17% |
| 2012 | 8,877 | 45.49% | 10,257 | 52.56% | 381 | 1.95% |
| 2008 | 8,794 | 45.28% | 10,250 | 52.78% | 378 | 1.95% |
| 2004 | 9,462 | 47.16% | 10,430 | 51.99% | 170 | 0.85% |
| 2000 | 8,729 | 48.94% | 8,699 | 48.77% | 407 | 2.28% |
| 1996 | 6,414 | 38.67% | 8,776 | 52.92% | 1,395 | 8.41% |
| 1992 | 6,866 | 38.12% | 8,120 | 45.08% | 3,026 | 16.80% |
| 1988 | 6,703 | 42.60% | 8,940 | 56.82% | 90 | 0.57% |
| 1984 | 8,576 | 51.36% | 8,023 | 48.04% | 100 | 0.60% |
| 1980 | 8,286 | 48.84% | 7,258 | 42.78% | 1,422 | 8.38% |
| 1976 | 7,728 | 46.04% | 8,783 | 52.32% | 275 | 1.64% |
| 1972 | 9,133 | 55.31% | 7,007 | 42.43% | 373 | 2.26% |
| 1968 | 7,901 | 51.79% | 6,556 | 42.98% | 798 | 5.23% |
| 1964 | 5,321 | 34.19% | 10,216 | 65.65% | 24 | 0.15% |
| 1960 | 9,332 | 56.27% | 7,242 | 43.67% | 11 | 0.07% |
| 1956 | 9,310 | 56.67% | 7,098 | 43.21% | 20 | 0.12% |
| 1952 | 9,610 | 58.37% | 6,756 | 41.03% | 99 | 0.60% |
| 1948 | 5,710 | 44.66% | 6,684 | 52.28% | 392 | 3.07% |
| 1944 | 6,413 | 47.58% | 6,978 | 51.77% | 88 | 0.65% |
| 1940 | 7,240 | 46.95% | 8,129 | 52.71% | 52 | 0.34% |
| 1936 | 5,875 | 40.81% | 8,315 | 57.76% | 205 | 1.42% |
| 1932 | 5,399 | 43.54% | 6,781 | 54.68% | 221 | 1.78% |
| 1928 | 9,144 | 69.76% | 3,857 | 29.42% | 107 | 0.82% |
| 1924 | 6,565 | 56.81% | 1,214 | 10.50% | 3,778 | 32.69% |
| 1920 | 7,417 | 67.25% | 3,390 | 30.74% | 222 | 2.01% |
| 1916 | 3,092 | 47.08% | 3,282 | 49.97% | 194 | 2.95% |
| 1912 | 1,766 | 27.83% | 2,487 | 39.20% | 2,092 | 32.97% |
| 1908 | 3,543 | 53.03% | 2,889 | 43.24% | 249 | 3.73% |
| 1904 | 3,962 | 62.39% | 1,942 | 30.58% | 446 | 7.02% |
| 1900 | 3,894 | 54.14% | 3,163 | 43.97% | 136 | 1.89% |
| 1896 | 2,768 | 47.21% | 3,019 | 51.49% | 76 | 1.30% |
| 1892 | 3,167 | 50.94% | 2,556 | 41.11% | 494 | 7.95% |
| 1888 | 3,137 | 53.16% | 2,341 | 39.67% | 423 | 7.17% |
| 1884 | 2,997 | 51.77% | 2,734 | 47.23% | 58 | 1.00% |
| 1880 | 3,162 | 55.35% | 1,407 | 24.63% | 1,144 | 20.02% |
Communities[]
Cities[]
- Baxter
- Colfax
- Kellogg
- Lambs Grove
- Lynnville
- Mingo
- Mitchellville
(part)
Unincorporated communities[]
- Ira
- Killduff
- Newburg
- Rushville
Townships[]
- Buena Vista
- Clear Creek
- Des Moines
- Elk Creek
- Fairview
- Hickory Grove
- Independence
- Kellogg
- Lynn Grove
- Malaka
- Mariposa
- Mound Prairie
- Newton
- Palo Alto
- Poweshiek
- Richland
- Rock Creek
- Sherman
- Washington
Population ranking[]
The population ranking of the following table is based on the 2020 census of Jasper County.[1]
† county seat
| Rank | City/Town/etc. | Municipal type | Population (2020 Census) |
|---|---|---|---|
| 1 | † Newton | City | 15,760 |
| 2 | Mitchellville (mostly in Polk County) | City | 2,485 |
| 3 | Colfax | City | 2,255 |
| 4 | Monroe | City | 1,967 |
| 5 | Prairie City | City | 1,700 |
| 6 | Baxter | City | 962 |
| 7 | Sully | City | 881 |
| 8 | Kellogg | City | 606 |
| 9 | Lynnville | City | 380 |
| 10 | Mingo | City | 302 |
| 11 | Oakland Acres | City | 176 |
| 12 | Lambs Grove | City | 174 |
| 13 | Reasnor | City | 152 |
| 14 | Valeria | City | 39 |
Notable people[]
- John M. Haines, tenth Governor of Idaho; born in Jasper County.[14]
- Lyle Goodhue, chemist and inventor, born in Jasper County.
- Sara Haines, American television host and journalist.
See also[]
- National Register of Historic Places listings in Jasper County, Iowa
References[]
- ^ a b c "2020 Census State Redistricting Data". United states Census Bureau. https://www2.census.gov/programs-surveys/decennial/2020/data/01-Redistricting_File--PL_94-171/Iowa/.
- ^ "Find a County". National Association of Counties. http://www.naco.org/Counties/Pages/FindACounty.aspx.
- ^ Weaver, James Baird (1912). Past and Present of Jasper County, Iowa, Volume 1. B.F. Bowen. pp. 44. https://books.google.com/books?id=HnwUAAAAYAAJ&pg=PA44.
- ^ United States Office of Management and Budget. "Update of Statistical Area Definitions and Guidance on Their Uses". pp. 5, 36. https://www.whitehouse.gov/omb/bulletins/fy2006/b06-01.pdf.
- ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html.
- ^ "U.S. Decennial Census". United States Census Bureau. https://www.census.gov/programs-surveys/decennial-census.html.
- ^ "Historical Census Browser". University of Virginia Library. http://mapserver.lib.virginia.edu.
- ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. https://www.census.gov/population/cencounts/ia190090.txt.
- ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf.
- ^ "State & County QuickFacts". United States Census Bureau. http://quickfacts.census.gov/qfd/states/19/19099.html.
- ^ "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=DEC_10_PL_GCTPL2.ST05&prodType=table.
- ^ "U.S. Census website". United States Census Bureau. https://www.census.gov.
- ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". http://uselectionatlas.org/RESULTS.
- ^ "Idaho Governor John Michiner Haines". National Governors Association. http://www.nga.org/cms/home/governors/past-governors-bios/page_idaho/col2-content/main-content-list/title_haines_john.html.
External links[]
|
Story County | Marshall County |
| |
| Polk County | 
|
Poweshiek County | ||
   Jasper County, Iowa | ||||
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| Marion County | Mahaska County |
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| This page uses content from the English language Wikipedia. The original content was at Jasper County, Iowa. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License. |